1966374640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{792893}}^1$

素因数の和:792937

約数の個数: 40

約数和(自身を含む): 4719305088

約数和(自身を除く): 2752930448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 792893, 1585786, 3171572, 3964465, 6343144, 7928930, 12686288, 15857860, 24579683, 31715720, 49159366, 63431440, 98318732, 122898415, 196637464, 245796830, 393274928, 491593660, 983187320, 1966374640]

約数ペア:

[(1, 1966374640), (2, 983187320), (4, 491593660), (5, 393274928), (8, 245796830), (10, 196637464), (16, 122898415), (20, 98318732), (31, 63431440), (40, 49159366), (62, 31715720), (80, 24579683), (124, 15857860), (155, 12686288), (248, 7928930), (310, 6343144), (496, 3964465), (620, 3171572), (1240, 1585786), (2480, 792893)]